DMD 0.155 release

[Walter Bright]

Tydr Schnubbis wrote:
> I got this error:
> 
> debug\lib\pipestream.obj(pipestream)
>  Error 42: Symbol Undefined _D3std6stream6Stream6isOpenFZx
> debug\lib\pipestream.obj(pipestream)
>  Error 42: Symbol Undefined _D3std6stream6Stream3eofFZx
> debug\serverlist.obj(serverlist)
>  Error 42: Symbol Undefined 
> _D3std6thread6Thread5_ctorFDFZikZC3std6thread6Thread

recompiling the patch should do it.